Look at the birds: they do not sow seeds, gather a harvest and put it in barns; yet your Father in heaven takes care of them! Aren't you worth much more than birds?
Matthew 6 is one of my very favorites, and this passage always comes to mind when I hear this...I stumbled on this version via a Facebook post:
Such an amazing young voice! And what beautiful words...
I sing because I'm happy, I sing because I'm free...His eye is on the sparrow, and I know He watches me.